how to: reset your fuel trims open your bonnet, open the

EvoX EFI ECU PinoutsLast Updated Tuesday, 24 April 2012 13:40

HOW TO: Reset your Fuel trims... Open your bonnet, open the fuse box, pull out 7.5A number2 fuse, this is battery backup for your main ECU, remove for 2 seconds, and replace. Your fueltrims and learned values on your ecu will now be reset.

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Figure 1. EvoX ECU pinouts, looking straight-on at the pins on the ECU when its out of the car. 1

Intake Cam engine oil control valve 2 No.1 injector 3 No.2 injector 4 No.1 ignition coil (ignition power transistor) 5 No.2 ignition coil (ignition power transistor) 6 Starter active signal 7 Exhaust camshaft position sensor 8 Crankshaft position sensor 9 Sensor supplied voltage 10 Throttle position sensor (main) 11 Throttle position sensor (sub) 12 Power supply voltage applied to throttle position sensor 13 Throttle position sensor ground 14 Intake camshaft position sensor 15 Throttle actuator control motor (+) 16 Throttle actuator control motor (-) 17 Exhaust Cam engine oil control valve 18 No.3 injector 19 No.4 injector 20 No.3 ignition coil (ignition power transistor)

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21 No.4 ignition coil (ignition power transistor) 23 Exhaust camshaft position sensor ground 24 Crankshaft position sensor ground 25 Knock sensor (+) 26 Engine coolant temperature sensor 27 Engine coolant temperature sensor ground 30 Intake camshaft position sensor ground 34 Heated oxygen sensor (front) heater 35 Heated oxygen sensor (rear) heater 36 Engine oil pressure switch 37 Evaporative emission purge solenoid 38 Heated oxygen sensor (front) 39 Heated oxygen sensor (front) offset voltage 40 Heated oxygen sensor (rear) 41 Heated oxygen sensor (rear) offset voltage 42 Knock sensor (−) 44 Power supply voltage applied to manifold absolute pressure sensor 45 Manifold absolute pressure sensor 46 Manifold absolute pressure sensor ground 51 Fuel pump relay 1 52 Turbocharger wastegate solenoid 1 53 Turbocharger wastegate solenoid 2 58 Power steering pressure switch 60 Generator G terminal 61 Generator FR terminal 62 Generator L terminal 71 Throttle actuator control motor ground 72 Throttle actuator control motor power supply 73 MFI relay (power supply) 74 Accelerator pedal position sensor (main)

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75 Power supply voltage applied to accelerator pedal position sensor (main) 76 Accelerator pedal position sensor (main) ground 77 Accelerator pedal position sensor (sub) 78 Power supply voltage applied to accelerator pedal position sensor (sub) 79 Accelerator pedal position sensor (sub) ground 81 ECM ground 82 Power supply 83 Throttle actuator control motor ground 84 Throttle actuator control motor relay 85 Clutch pedal position switch 87 Mass airflow sensor 88 Mass airflow sensor ground 89 Intake air temperature sensor 1 90 CAN interface (high) 91 CAN interface (low) 92 Ignition switch-IG 93 ECM ground 96 Fuel pump relay 2 97 Intake air temperature sensor 2 ground 98 Intake air temperature sensor 2 102 A/C compressor relay 103 Flash EP-ROM power supply 104 Backup power supply 105 Ignition switch-ST 106 Starter relay 112 Fuel tank differential pressure sensor 113 Fuel tank differential pressure sensor ground 114 Power supply voltage applied to fuel tank differential pressure sensor 115 Fuel tank temperature sensor 117 Evaporative emission ventilation solenoid

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Figure 2. EvoScan OpenPort 2.0 USB Cable pinouts, looking straight-on at the pins onthe Cable when its out of the car. EvoX ECU Pin OpenPort 2.0 Cable 12v-15v Power Supply (use a Laptop Power supply if you like, check the voltage)Description pin 71 pin 4 and/or pin 5 Negative/Ground (-) Vehicle Chassis / Battery Terminal (-) pin 104 pin 16 12v Power Supply (+) Battery Backup (Direct 12v from 7.5A fuse #2) pin 82 pin 16 12v Power Supply (+) Power Supply (comes from MFI Relay via 20A Fuse #22) MFI Relay switched on by ecu (via pin 73) pin 92 pin 16 12v Power Supply (+) Ignition Switch (comes from IG1 Relay via 7.5A Fuse #12) IG1 switched on by key switch. pin 103 pin 12 (OBDII 8) Reflash Init. Voltage from pin 12 on the OpenPort 2.0 cable. Pin 103 from the ecu actually comes through to pin 8 on the OBDII vehicle connector. pin 80 pin 7 (OBDII 7) K Line Data (used for recovery mode ecuflashing) Pin 80 from the ecu actually comes through to pin 7 on the OBDII vehicle connector. pin 90 (optional) pin 6 (OBDII 6) CAN Bus (optional only used for normal mode ecuflashing, you can put the ecu back in the car to do the normal reflash part of the process) pin 91 (optional) pin 14 (OBDII 14) CAN Bus (optional only used for normal mode ecuflashing, you can put the ecu back in the car to do the normal reflash part of the process) EvoX Diagnostic Trouble Codes - From Mitsubishi Technical Workshop Manual DTC

DIAGNOSTIC ITEM

MIL ITEM

P0011

Intake variable valve timing system target error

×

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P0012

Camshaft position- timing over-retarded

−

P0014

Exhaust variable valve timing system target error

×

7 / 69


P0016

Crankshaft/camshaft (intake) position sensor phase problem

×

P0017

Crankshaft/camshaft (exhaust) position sensor phase problem

×

P0031

8 / 69


Heated oxygen sensor (front) heater circuit low

×

P0032

Heated oxygen sensor (front) heater circuit high

×

P0037

9 / 69


Heated oxygen sensor (rear) heater circuit low

×

P0038

Heated oxygen sensor (rear) heater circuit high

×

P0069

10 / 69


Abnormal correlation between manifold absolute pressure sensor and barometric pressure sensor

×

P0096

Intake air temperature circuit range/performance problem (sensor 2)

×

11 / 69


P0097

Intake air temperature circuit low input (sensor 2)

×

P0098

Intake air temperature circuit high input (sensor 2)

×

P0101

12 / 69


Mass airflow circuit range/performance problem

×

P0102

Mass airflow circuit low input

×

P0103

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Mass airflow circuit high input

×

P0106

Manifold absolute pressure circuit range/performance problem

×

P0107

Manifold absolute pressure circuit low input

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×

P0108

Manifold absolute pressure circuit high input

×

P0111

Intake air temperature circuit range/performance problem (sensor 1)

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×

P0112

Intake air temperature circuit low input (sensor 1)

×

P0113

Intake air temperature circuit high input (sensor 1)

×

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P0116

Engine coolant temperature circuit range/performance problem

×

P0117

Engine coolant temperature circuit low input

×

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P0118

Engine coolant temperature circuit high input

×

P0122

Throttle position sensor (main) circuit low input

×

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P0123

Throttle position sensor (main) circuit high input

×

P0125

Insufficient coolant temperature for closed loop fuel control

×

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P0128

Coolant thermostat (coolant temperature below thermostat regulating temperature)

×

P0131

Heated oxygen sensor (front) circuit low voltage

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×

P0132

Heated oxygen sensor (front) circuit high voltage

×

P0133

Heated oxygen sensor (front) circuit slow response

×

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P0134

Heated oxygen sensor (front) circuit no activity detected

×

P0137

Heated oxygen sensor (rear) circuit low voltage

×

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P0138

Heated oxygen sensor (rear) circuit high voltage

×

P0139

Heated oxygen sensor (rear) circuit slow response

×

P0140

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Heated oxygen sensor (rear) circuit no activity detected

×

P0171

System too lean

×

P0172

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System too rich

×

P0181

Fuel tank temperature sensor circuit range/performance

×

P0182

Fuel tank temperature sensor circuit low input

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×

P0183

Fuel tank temperature sensor circuit high input

×

P0201

Injector circuit-cylinder 1

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×

P0202


×

P0203


×

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P0204


×

P0222

Throttle position sensor (sub) circuit low input

×

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P0223

Throttle position sensor (sub) circuit high input

×

P0234

Turbocharger wastegate system malfunction

×

P0243

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Turbocharger wastegate solenoid 1 circuit

×

P0247

Turbocharger wastegate solenoid 2 circuit

×

P0300

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Random/multiple cylinder misfire detected

×

P0301

Cylinder 1 misfire detected

×

P0302


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×

P0303


×

P0304


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×

P0327

Knock sensor circuit low

×

P0328

Knock sensor circuit high

×

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P0335

Crankshaft position sensor circuit

×

P0340

Intake camshaft position sensor circuit

×

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P0365

Exhaust camshaft position sensor circuit

×

P0420

Warm up catalyst efficiency below threshold

×

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P0441

Evaporative emission control system incorrect purge flow

×

P0442

Evaporative emission control system leak detected (small leak)

×

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P0443

Evaporative emission purge solenoid circuit

×

P0446

Evaporative emission ventilation solenoid circuit

×

P0450

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Fuel tank differential pressure sensor malfunction

×

P0451

Fuel tank differential pressure circuit range/performance problem

×

P0452

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Fuel tank differential pressure circuit low input

×

P0453

Fuel tank differential pressure circuit high input

×

P0455

Evaporative emission control system leak detected (gross leak)

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×

P0456

Evaporative emission control system leak detected (very small leak)

×

P0461

Fuel level sensor circuit range/performance

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×

P0462

Fuel level sensor circuit low input

×

P0463

Fuel level sensor circuit high input

×

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P0500

Vehicle speed signal malfunction

×

P0506

Idle control system RPM lower than expected

×

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P0507

Idle control system RPM higher than expected

×

P0513

Immobilizer malfunction

−

P0551

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Power steering pressure switch circuit range/performance

×

P0554

Power steering pressure switch circuit intermittent

×

P0603

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EEPROM malfunction

×

P0606

Engine control module main processor malfunction

×

P0622

Generator FR terminal circuit malfunction

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−

P0630

Vehicle Identification Number (VIN) malfunction

×

P0638

Throttle actuator control motor circuit range/performance

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×

P0642

Throttle position sensor power supply

×

P0657

Throttle actuator control motor relay circuit malfunction

×

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P0830

Clutch pedal position switch circuit range/performance

−

P1021

Intake engine oil control valve circuit

×

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P1025

Exhaust engine oil control valve circuit

×

P1231

Active stability control plausibility

−

P1232

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Fail safe system

−

P1233

Throttle position sensor (main) plausibility

×

P1234

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Throttle position sensor (sub) plausibility

×

P1235

Mass airflow sensor plausibility

×

P1236

A/D converter

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×

P1237

Accelerator pedal position sensor plausibility

×

P1238

Mass airflow sensor plausibility (torque monitor)

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×

P1239

Engine RPM plausibility

×

P1240

Ignition angle

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−

P1241

Torque monitor

×

P1242

Fail safe control monitor

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−

P1243

Inquiry/response error

−

P1244

RAM test for all area

−

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P1245

Cycle RAM test (engine)

−

P1247

TC-SST plausibility

−

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P1320

Ignition timing retard insufficient

×

P1506

Idle control system RPM lower than expected at low temperature

×

P1507

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Idle control system RPM higher than expected at low temperature

×

P1590

TCM to ECM communication error in torque reduction request

×

P1603

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Battery backup circuit malfunction

×

P1676

Variant coding

×

P2066

Fuel level sensor (sub) circuit range/performance

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×

P2100

Throttle actuator control motor circuit (open)

×

P2101

Throttle actuator control motor magneto malfunction

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×

P2122

Accelerator pedal position sensor (main) circuit low input

×

P2123

Accelerator pedal position sensor (main) circuit high input

×

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P2127

Accelerator pedal position sensor (sub) circuit low input

×

P2128

Accelerator pedal position sensor (sub) circuit high input

×

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P2135

Throttle position sensor (main and sub) range/performance problem

×

P2138

Accelerator pedal position sensor (main and sub) range/performance problem

×

P2195

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Heated oxygen sensor (front) inactive

×

P2228

Barometric pressure circuit low input

×

P2229

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Barometric pressure circuit high input

×

P2252

Heated oxygen sensor offset circuit low voltage

×

P2253

Heated oxygen sensor offset circuit high voltage

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×

P2263

Intake charge system malfunction

−

U0001

Bus off

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−

U0101

TC-SST-ECU time-out

×

U0121

ASC-ECU time-out

×

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U0141

ETACS-ECU time-out

×

U0167

Immobilizer communication error

−

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U1180

Combination meter time-out

×

Other EvoX Articles

- EvoX Workshop Manuals - EvoX Stopping the fuel trims affecting WOT fueling - EvoX ECU Reflash Recovery - EvoX ECU Disassembly - EvoX ECU M32R Chipset Manuals

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